〈a, b | abb=aba, bbb=bb〉

Properties

• Infinite non-commutative monoid

Completion parameters

• Reduction order: left-to-right ba

Complete rewriting system

1. b³ ⇒ b²
2. aba ⇒ ab²
3. ab²a ⇒ ab²

Right Cayley graph (truncated)

Left Cayley graph (truncated)